After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.

12, 2025 — New research suggests black holes may transition into 'white holes', ejecting matter and potentially ... within the galactic halo of the Milky ... Dark Energy 'Doesn't Exist' So ...

The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how ...

A massive spiral galaxy with a giant black hole is shooting huge energy jets, something scientists thought only elliptical ...

"Could our galaxy one day experience similar high-energy phenomena that will have serious consequences for the survival of ...